/* Figure 2, Figure 7 and Figure S2 interactions (owner: fig2-waves). Every class uses the f2- prefix. */

/* Shared focus dimming: tagged parts (.f2-d) outside the focused key fade back. */
.plate .f2-d,.plate .f2-ghost,.plate .f2-tint{transition:opacity .3s ease}
.plate .f2-focusing .f2-d:not(.f2-on){opacity:.16}
.f2-hot,.f2-chan,.f2-ff-hot,.f2-fo-hot{cursor:pointer}
.f2-hot:focus,.f2-ff-hot:focus,.f2-fo-hot:focus,.f2-fo-hit:focus{outline:none}
.f2-hot:focus-visible .f2-ring,.f2-fo-hot:focus-visible .f2-fo-ring{stroke:currentColor;stroke-opacity:.6;stroke-width:1.4;stroke-dasharray:3 3}
.f2-fo-hit{pointer-events:none}
.f2-fo-hit:focus-visible{stroke:currentColor;stroke-opacity:.22}

/* Figure 2: live waves. */
.f2-svg .f2-ghost{opacity:0}
.f2-svg[data-focus="cancel"] .f2-ghost{opacity:1}
.f2-svg .f2-tint{opacity:0}
.f2-svg.f2-near-top .f2-tint-top,.f2-svg.f2-near-bot .f2-tint-bot{opacity:.07}
.f2-svg.f2-focusing .f2-tint{opacity:0}

.f2-panel{margin:12px 0 0;font:13px/1.5 var(--sans);color:var(--fg)}
.prose .f2-panel p{margin:0}
.f2-inspect-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.f2-inspect-head label{font-weight:700}
.f2-deg{font:12.5px/1.5 'Roboto Mono',monospace;color:var(--muted);font-variant-numeric:tabular-nums}
.f2-insvg{display:block;width:100%;height:auto;margin:6px 0 2px;color:var(--fg)}
.f2-slider{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px}
.f2-slider input{width:100%;min-height:32px;margin:0;accent-color:var(--link-color,var(--primary))}
.f2-slider button{font:12px/1.2 var(--sans);color:var(--fg);background:none;border:1px solid var(--line);border-radius:999px;padding:6px 11px;min-height:32px;cursor:pointer;white-space:nowrap}
.f2-slider button:hover{border-color:var(--fg)}
.f2-slider button:focus-visible,.f2-slider input:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
.f2-stats{display:flex;flex-wrap:wrap;gap:2px 20px;margin:10px 0 0;padding:0}
.f2-stats div{display:flex;gap:6px;align-items:baseline}
.f2-stats dt{color:var(--muted)}
.f2-stats dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.prose .f2-panel .f2-verdict{margin-top:4px;min-height:3em}
.f2-card{border-left:2px solid var(--line);padding:2px 0 2px 18px;min-height:11em}
.prose .f2-panel .f2-card-title{font-weight:700;margin-bottom:4px}
.prose .f2-panel .f2-card-text{margin-bottom:10px}
.f2-card-tex{display:flex;flex-direction:column;gap:8px;font-size:14px;overflow-x:auto;overflow-y:hidden;padding-bottom:2px}
.f2-card-tex .katex{text-shadow:none;font-size:1.05em}

/* Figure 7: path tracing and the 10^8-token readout. */
.f2-ff-hot .f2-ff-box{transition:stroke-width .2s ease,fill-opacity .2s ease}
.f2-ff-hot.is-active .f2-ff-box{stroke-width:3;fill-opacity:.26}
.f2-ff-hot:focus-visible .f2-ff-box{stroke-width:2.8;stroke-dasharray:5 3}
.f2-ff-svg.f2-focusing .f2-ff-flow.f2-on .f2-ff-path{stroke-opacity:1;stroke-width:3}
.f2-ff-readout{max-width:660px;margin:10px auto 0;display:grid;grid-template-columns:190px minmax(0,1fr);gap:8px 18px;align-items:center;min-height:80px;font:13px/1.5 var(--sans);color:var(--fg)}
.f2-ff-spark{display:block;width:190px;height:auto;color:var(--fg)}
.prose .f2-ff-readout p{margin:0}
.prose .f2-ff-readout .f2-ff-title{font-weight:700;margin-bottom:2px}

/* Figure S2: tooltips. */
.f2-tip{position:absolute;z-index:6;left:0;top:0;width:max-content;max-width:min(270px,calc(100% - 8px));padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:var(--panel,var(--bg));color:var(--fg);font:12.5px/1.45 var(--sans);box-shadow:0 6px 24px #0003;pointer-events:none}
.f2-tip[hidden]{display:none}
.f2-tip b{display:block;margin-bottom:2px}
.f2-tip small{display:block;margin-top:4px;color:var(--muted);font-size:11.5px}
.f2-tip small[hidden]{display:none}

@media(max-width:760px){
  .f2-panel{grid-template-columns:1fr;gap:14px;padding-inline:2px}
  .f2-card{min-height:0}
}
@media(max-width:560px){
  .f2-ff-readout{grid-template-columns:1fr;justify-items:start;min-height:0}
  .f2-slider{gap:6px}
  .f2-slider button{padding:6px 8px}
}
@media(prefers-reduced-motion:reduce){
  .plate .f2-d,.plate .f2-ghost,.plate .f2-tint,.f2-ff-hot .f2-ff-box{transition:none}
}
.prose .f2-panel .f2-legend{display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px;margin:0 0 8px;color:var(--muted);font-size:12px}
.f2-key{display:inline-block;width:18px;height:0;border-top:2px dotted currentColor;margin-left:4px}
.f2-key:first-child{margin-left:0}
.f2-key-keep{border-top:4px solid #34A853;border-radius:2px}
.f2-key-dot{width:9px;height:9px;border:0;border-radius:50%;background:#EA4335}